Senior React + Java Full-Stack Engineer

Fixity Technologies LLC; Florida; On-site; USD 110,000 - 160,000; Full time

Job summary

Fixity Technologies LLC is seeking a highly skilled React + Java Full Stack Developer to design, build, and maintain scalable web applications. You will work across front‑end and back‑end layers, leveraging React.js, Java, Spring Boot, and RESTful APIs to deliver robust software solutions.

The role requires collaboration with business stakeholders and cross‑functional teams to ensure high quality and timely delivery.

Qualifications

• Minimum 7 years of experience in ReactJS and Java full‑stack development.
• Primary skill is ReactJS.
• Experience with RESTful APIs and microservices is expected.

Responsibilities

• Design, develop, test, and maintain full‑stack applications using React.js and Java/Spring Boot.
• Build responsive front‑end interfaces using React, JavaScript, HTML5, CSS3, and related technologies.
• Develop and enhance RESTful APIs and backend services with Java, Spring Boot, and microservices architecture.
• Collaborate with business analysts, product owners, and technical teams to translate requirements into solutions.
• Optimize performance, scalability, and security of applications.
• Perform code reviews and ensure coding standards and best practices.
• Participate in Agile ceremonies, including sprint planning, daily standups, retrospectives, and backlog grooming.
• Troubleshoot production issues and defects; resolve incidents.
• Integrate applications with databases, third‑party services, and enterprise systems.
• Develop and maintain technical documentation.

Skills

ReactJS

Java

Spring Boot

RESTful APIs

Microservices

Tools

Git

GitHub/Bitbucket

Jenkins

CI/CD tools

Docker

Kubernetes

Maven/Gradle

SonarQube

Job description

Fixity Technologies LLC is seeking a highly skilled React + Java Full Stack Developer to design, build, and maintain scalable web applications. You will work across front‑end and back‑end layers, leveraging React.js, Java, Spring Boot, and RESTful APIs to deliver robust software solutions.

The role requires collaboration with business stakeholders and cross‑functional teams to ensure high quality and timely delivery.